A cancer expert says Sen. John McCain has an "aggressive" form of brain cancer that will be difficult to treat. Dr. David Reardon at Boston's Dana-Farber Cancer Institute says glioblastoma is the most common type of brain cancer in adults. (July 20)
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Worries as flu season rages

"Part of the problem, too, is like it's this deadly, crazy flu season," Meghan McCain, a television commentator, said during a Politico podcast interview posted online Wednesday. "And his immune system is so down, everybody is worried about him getting the flu.

"But he's very present," she added. "We talk about politics all the time. Mentally, he's 100 percent there. Just physically, he had torn both of his Achilles' tendons and, you know, it's taken some time to get back to physical fighting form."

McCain, the 2008 Republican presidential nominee and chairman of the Senate Armed Services Committee, was diagnosed in July with glioblastoma, an aggressive form of brain cancer.

'He's doing really well right now'

Meghan McCain, a co-host of ABC's The View, characterized glioblastoma as a "rough, rough, rough cancer" but was largely upbeat about her father's recovery

"He's doing, actually, really good. He's made this really incredible comeback," she said on the podcast. "... He's doing well. And I think it's a very high likelihood that he will come back to D.C. at some point."

The younger McCain added for emphasis: "I'm not misrepresenting: He's doing really well right now."

Despite being away from Washington, John McCain has stayed involved. He frequently tweets and publishes through his office written statements on the issues of the day. This week he teamed up with Sen. Chris Coons, D-Del., on a bipartisan immigration bill.

Nowicki is The Republic's national political reporter. Follow him on Twitter, @dannowicki.